Cooking apparatus.



M. POHLIG.

COOKING APPARATUS.

APPLIGATION FILED SEPT. e, 1907.

1,047,122, Patented Dec. 10, 1912.

6 SHEETS-SHEET l.

M. BOHLIG.

COOKING APPARATUS.

APPLICATION FILED SEPT. 6, 1907.

1,047,122, Patentednec. 10,1912.

2; 6 SHEETS-SEEET 2.

.gwve- Y MMM M. BOH-LIG.

COOKING APPARATUS.

APPLICATION FILED S2316, 1907.

1,047, 122, v 4 Patented Dec. 10, 1912.

6 SHEETS-SHEET 3.

M. BOHLIG. COOKING yAPPARATUS. APPLICATION FILED SEPT. 6, 1907.

1,047,122. Patented Dec. 10, 1912.

e SHEETS-SHEET 4.

M. BoHLIG COOKINGV APPARATUS. APPLIOATIOH FILED lSEPT. 6, 190'7.

Patented Dec. 1o, 1912.

' M. BOHLI-G.

COOKING APPARATUS.

APPLIoATIoN FILED snm'. e, 1907.

Patented Dec. 10, 19124.

UNITED sTATEs PATENT oEEioE.

MARTIN BOHLIG, OF ST. PAUL, MINNESOTA, ASVSIGNOR TO BOHLIG MANUFACTURING COMPANY, OF ST. PAUL, MINNESOTA, A CORPORATION OFMINNESOTA,

COOKING APPARATUS.

Specication of Letters Patent.

Patented Dec. 10, 1912.

Application led September 6, 1907. Serial No. 391,576.

useful Improvements in Cooking Apparatus, of which the following is a specification. My invention relates to improvements 1n cooking apparatus its object being particularly to provide a machine for making pastry cornets.

To this end my invention consists of a traveling oven provided with a series of molds to ether with means for automatically feeding dough to said molds; for formling the cornets and for removing the same to a suitable receptacle.

In the accompanying drawings forming part of this specification, Figure 1- is a side elevation of my improved machine with the parts in normal posit-ion; Fig. 2 is'a similar view with the dough receptacle in feeding position; Fig. 3 'is a side ele-vation of the front end of the machine; Fig. 4 is a front elevation of Jthe machine; Fig. '5 is a rear elevation of themachine; Fig. 6 is an end view of the oven with theend wall removed;

7 is a section on line of Fig. 6.; Fig. 8 is a section on yline .e-z of Fig. 4; Fig. 9 is a section on line y-g/ of Fig. 8; Fig. 10 is a central vertical section of one of the molds; Fig. 11 is a section on line of Fig. 10"; and Fig. 12 is a partial top view of Fig. 11.

In the drawings A represents the frame work ofthe machine, and B the oven mounted upon-a hollow shaft 2 journaled in the front uprights of the frame work. The hollow shaft 2 supports a series of burners 3 for heating the oven as hereinafter pointed out. `The oven B is preferably of cylindrical shape supporting in its periphery a plurality of rows of cone shaped mold members 4. Slidable in the inner end of each mold member 4 is a weighted plunger 5 normally held pressed outward by a spring 6. Arranged to work in connection with the mold members 4 are-a row of mold members 7 carried by a bar 8 slidably supported in the side bars immediately above the oven. The mold members 7 are adapted to be heated by .means of the burners 9 eitending downwardly from a gas pipe 10 supported by said bar into said members 7. In order to Separate the cornets from the mold members 7, as hereinafter pointed out, I providea plate 11 slidably supported by the bar 8 and normally held pressed downward by coil springs 12.-

Intermittent movement is imparted tothe oven and to the bar 8 by the following described mechanism: Secured upon one-end of the o ven is' a ratchet wheel 13 with-which engages the pivotally supported pawl 14. The freeend of said pawl 1s connected by a rod 15 with one end of a bent lever arm 16, said lever arm having fulcrum support 17 in the base of the machine. The opposite end of said lever arm is engaged by a pin 18 carried by a cam 19 mounted upon a main horizontal driving shaft. The free end of the lever 16 is connected with the frame work by a restraining spring 21. The bar 8 israised and lowered by means of a rod 22 connecting said bar with one end of a fulcrum lever 23, the opposite end of said lever being engaged by the hereinbefore mentioned cam 19 as indicated in Fig. 3.

In order to grease the inner mold members 7 I provide a plurality of pairs of bent levers 24 pivotally supported upon opposite sides of the front uprights of the frame,

-said levers carrying at their lower ends suitable grease deposlting devices 25. the bar 8 is raised as shown in Fig. 4 it passes between and separates the upper ends of the levers 24 carrying said grease devices into contact with the mold members7. In order to allow the raising and' lowering of the mold members 7 I provide flexible gas connections 26. y

Supported inthe upper rear end of th frame work is a dough receptacle C having an inlet opening closed by a flap 27 and an outlet opening closed by the measuring device shown in Figs. 8 and 9. This measuring device consists of a cylinder 28 rotatable within `the cylindrical outlet end 29, said cylinder being formed with inlet openings 30 and outlet openings 31. The cylinder 28 is formed with a series of transverse walls 32 constituting intermediate chambers, each chamber being lof a size to hold enough dough to form one cornet. The measuring cylinder 28 is connected at one end by links 33 and 34 to the upper end of a bar 35, the

37 in the frame work and having pin and slot connections 38 at its lower end with a slidable'supporting vrod 39. The bar 35 is intermediately pivoted to one end of'a bent lever 40, said bent lever having `fulcrum support upon the supporting shaft of the dough receptacle and having pivotal connection at its outer end to a bar 41, the bar 41 being operatively connected with greasing means for the mold members 4 as hereinafter pointed out. Thus as the bar 35 is turned' into the position shown in Fig. 1 it will raise the dough receptacle upon its support turning the measuring cylinder 28 into position bringing the inlet openings 30 into y registration and allowing the chambers to tioned between vanti-friction rollers 43 mounted upon the sliding shaft 39. A

In order to grease the mold members 4 I form the lower end of the lever arm 41 with arack 44 intermeshing with a pinion 45 mounted upon the transverse shaft 46. The transverse shaft 46 has gear connection 47 with a series'iof pinions 48 each pinion supporting a brush 49 shaped to t into the mold -members 4. In order to impart longitudinal sliding movement to the brushes 49 I rovide a stationary rack 50 intermeshing with the pinion so that as the lever 41 is actuated to rotate the brushes it will by the engagement of the pinion 45 with the rack 59 longitudinally slide the brushes with their supports in the bearings 51.

The main driving shaft is actuated by worm and gear 52, and belt shaft 53, driven by suitable source of power vthrough the medium ofbelt pulleys 54. The oven is ypref-` erably inclosed by a suitable shell 55 being open inv its upper and lower end to accommodate the dough feeding mechanism and to allow the dropping of they cornet-s fromthe molds as well as the working ofthe brushes 49. A suitable discharge'trough 46 is provided to receive the nished cox-nets.

In order to discharge the cornets Iprovide a cam 56 secured upon the shaft 2, the

cam engaging with the plungers of the lowermost row of molds 4 as shown in Figs. 7

:to depress said plungers and shove the cor-4 nets from the molds.

In operation with the parts in the position shown in Fig. 2 the dough will be dis charged from the dough receptacle into the adjacent series of mold members 4. In this same position of the parts the mold members 9 and moldmembers 7 are in.; position in the next series of mold members A4l 'as 'indicated I.

as the mold members 7 are carried to lower position by their actuating mechanisml the plate l1 will be held back-by the oven' depressing the springs 12. Thus when the nold members 7 are raised the plate 11 will first force the cornets away from the mold members 7 by the action of the springs 12 allowing the mold members 7 to be raised without carrying with them any of the cornets. As the mold members 7 are' raised it will force apart the upper ends of the levers 24 `turning thelower or 'greasing ends of said levers into engagement with said mold members to grease the same.

It will be understood that a constant supt-ion of mold members 7 it Ywill be noted tha-t ply of heat will be furnished to' the interior i of the oven and to the mold members 7 by means of the gas connections heretofore described. A j

The brushes 49 have a threefold object: First, they carry grease to.-.grease ,the mterior of the molds; secondly, theyY will by their rotating action remove from 'the mold members 4 any cornets'that may have accidentally remained therein; and thirdly in case any of the plungers 6 have failed to rethe springs 5, the brushes will force said plungers back to normal position.

I claim: 1. In a machine of the class described, the combination`with a rotary oven, of a plurality of rows of outer mold members carried by said oven, a row of coperating interiorly heated inner mold members, feeding mechanism arranged in connection with said inner mold members, discharging. devices arranged in the inner end of each of said outer mold members and means successively actuating the discharging devices of different rows as said oven is rotated.

2. In a machine of the class described, the combination with a rotary oven, of a plu'- rality of l.rows of outer mold members carried by said oven, a row of coperating interiorly heated inner mold members, discharging devices arranged in connection with said outer moldZmembers, a plurality of rotary brushes r/Jnstructed io fit said outer members, and means for imparting sliding rotary movement to said brushes for the purpose setforth.

3. In a machlne of the class described, the

turn to normal position by the operation of v combination with a rotary oven, of a plurality of rows of outer-mold members inset in the wall of said oven, a row of coperating inner mold members, a sliding plunger in the inner end of each of said outer mold members, means for successively feeding a predetermined quantity of dough to said rows of outer mold members, a cam successively actuating said rows of plungers in the rotation'of said oven, and means for successively greasing the interior of said outer molds.

4. In a machine of the class described, the combination with a rotary oven, of a plurality of rows of outer mold members inset in the wall thereof,-a row of cooperating interiorly heated inner mold members, a pressure plate arranged between said inner and outer mold members, feeding means arranged to work in connection with said outer mold members, discharging devices arranged in connection with said outer mold members,

and means for greasing said mold members,

for the purpose set forth.

5. In a machine of the class described, the combination with a rotary oven, of a plurality of rows of outer mold members carried thereby, a row of cooperating inner mold members, feeding mechanism arranged in connection with said outer mold members, a plunger in the inner endof each of said outer mold members, a cam arranged to successively actuate the rows of plungers, brushes fitted to said outer mold members, and means for intermittently imparting sliding and rotary movement to said brushes for the purpose set forth.

In testimony whereof I aiX my signature in presence of two witnesses.

MARTIN BOHLIG. 

